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Cushion|Natural|GIA

3.03ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 5493528735

Certificate GIA 5493528735

Diamond specifications and retailer prices

From £30,355 GBP
As of November 4, 2026
Save £5,370 GBP (15%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £35,725 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 3.03ct natural cushion diamond

This 3.03ct natural cushion sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5493528735. Listed at 2 retailers as of November 4, 2026, with prices from £30,355 to £35,725, a £5,370 spread on the same certified stone. 77 Diamonds lists it at £35,725. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.03
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5493528735
Dimensions9.59 × 7.42 × 5.11 mm
L/W Ratio1.29
Top View
9.59 mm7.42 mm3.03 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5493528735
Side View
Table 61.0%CrownGirdle: Very ThickPavilionCuletDepth 68.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 4
Current: £35,725 GBP|Low: £30,355 GBP|High: £36,496 GBP|Avg: £33,269 GBP|+0.3%
77 Diamonds
Retailer 2
November 6, 2026
Retailer 2£30,355 GBP
77 Diamonds£35,725 GBP

34 data points across 2 retailers

2 retailers£30,355 GBP to £35,725 GBP

B+
Cheapest Retailer
-
£30,355 GBP
Most Expensive
B
77 Diamonds
CUSZ76KXU2PM · Nov 6
£35,725 GBP
View
1 more retailer has this diamond
Prices start from £30,355 GBPSave up to £5,370 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
3.03ct Cushion
£30,355 GBP